LB11868V Variable Speed Singlephase Fullwave Predriver for Fan Motor Monolithic Digital IC www.onsemi.com Overview LB11868V is a single-phase bipolar driving motor pre-driver with the variable speed function compatible with external PWM signal. With a few external parts, a highly-efficient and highly-silent variable drive fan motor with low power consumption can be achieved. This product is best suited for driving of the server requiring large air flow SSOP24 and large current and the fan motor of consumer appliances. CASE 565AR Functions and Features Single-phase Full-wave Driving Pre-driver MARKING DIAGRAM Variable Speed Control Possible with External PWM Input Current Limiting Circuit Incorporated Reactive Current Cut Circuit Incorporated XXXXXXXXXX YMDDD Minimum Speed Setting Pin Soft Start Setting Pin Start Setting Pin of On Time Pch-FET Kickback Absorption Setting Pin XXXXX = Specific Device Code Lock Protection and Automatic Reset Circuits Incorporated Y = Year FG (Rotational Speed Detection) Output, RD (Lock Detection) M = Month Output DDD = Additional Traceability Data Thermal Shutdown Circuit Incorporated PIN ASSIGNMENT 1 20 OUT2P OUT1P OUT1N OUT2N V SGND CC REG SENSE RMI SS KBSET VTH CPWM CT OTS IN+ HB FG RD IN 10 11 (Top View) ORDERING INFORMATION See detailed ordering and shipping information on page 11 of this data sheet. Semiconductor Components Industries, LLC, 2013 1 Publication Order Number: March, 2018 Rev. 1 LB11868V/DLB11868V SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS (T = 25C) A Symbol Parameter Conditions Ratings Unit V max V Pin Maximum Supply Voltage 18 V CC CC I N max OUTN Pin Maximum Current 30 mA OUT V N max OUTN Pin Output Withstand Voltage 18 V OUT I P max OUTP Pin Maximum Sink Current 30 mA OUT I P off max Maximum Inflow Current at OUTP DUTY 8% under 10 mA OUT Pin OFF V P max OUTP Pin Output Withstand Voltage (Note 1) 19 V OUT VVTH/ VTH/RMI Pins Withstand Voltage 7 V VRMI max V max SS Pin Withstand Voltage 7 V S S V max OTS Pin Withstand Voltage 7 V OTS V max KBSET Pin Withstand Voltage 7 V KBSET V max FG/RD Pin Withstand Voltage 19 V FG/RD I max FG/RD Pin Maximum Sink Current 10 mA FG/RD I max REG Pin Maximum Output Current 10 mA REG I max HB Pin Maximum Output Current 10 mA HB P max Allowable Power Dissipation With specified substrate (Note 2) 800 mW d T Operating Temperature (Note 3) 30 to +95 C opr T Storage Temperature 55 to +150 C stg Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. The direct input from the power supply is improper. There must be resistance between OUTP and the power side power supply. 2. Specified substrate: 114.3 mm 76.1 mm 1.6 mm, glass epoxy board. 3. T max = 150 C must not be exceeded. j RECOMMENDED OPERATING CONDITIONS (T = 25C) A Symbol Parameter Conditions Ratings Unit V V Supply Voltage 4.0 to 16 V CC CC V VTH/RMI Input Voltage Range 0 to 4.0 V TH/RMI V Hall Input Voltage Range 0.2 to 1.8 V ICM Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. ELECTRICAL CHARACTERISTICS (T = 25C, V = 12 V) A CC Symbol Parameter Conditions Min Typ Max Unit I 1 CircuitCcurrent During drive 7.5 9.0 10.5 mA CC I 2 During lock protection 6.0 7.6 9.0 mA CC V REG Voltage I = 5 mA 3.65 3.80 3.95 V REG REG V HB Voltage I = 5 mA 1.14 1.24 1.34 V HB HB V Current Limiting Voltage 195 215 235 mV LIM V H CPWM Pin H Level Voltage 2.35 2.50 2.65 V CPWM V L CPWM Pin L Level Voltage 0.65 0.80 0.95 V CPWM I 1 CPWM Pin Charge Current V = 0.5 V 19 24 29 A CPWM CPWM www.onsemi.com 2